Tsetse Fly bite causes a disease known as sleeping sickness. The infected person’s body organ gets affected by it causing organ dysfunction. It also causes disturbances in the sleep cycle due to which it is called as sleeping sickness it causes over 9000 deaths each year.

4. Dogs

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Dogs are friendly animals which we all love except the dog infected with rabies. A bite form Rabid dog can spread the virus to human it produces symptoms like violent movements, fear of water and disabilities it causes over 25000 deaths every year.

3. Snake

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Snakes are found on almost all parts of the world except Antarctica and some smaller islands. Snakes are both venomous and non- venomous. Snake bite causes over 50000 deaths every year.

2. Humans

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Humans are the only species on this list who kill each other for various reasons. There are wars, gangwars, fights and criminal activities. Humans kills around 475000 other humans every year.

1. Mosquitoes

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Yes, these tiny little annoying insects which bites and feeds on blood is the world’s deadliest animal. It spreads diseases like yellow fever, Malaria, Dengue and many other disease. Approximately 2000000 die worldwide due to mosquitoes.